7657607442 has 32 divisors (see below), whose sum is σ = 16352759808. Its totient is φ = 2384773776.

The previous prime is 7657607401. The next prime is 7657607443. The reversal of 7657607442 is 2447067567.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7657607391 and 7657607400.

It is not an unprimeable number, because it can be changed into a prime (7657607443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639298 + ... + 651165.

It is an arithmetic number, because the mean of its divisors is an integer number (511023744).

Almost surely, 2^7657607442 is an apocalyptic number.

7657607442 is an abundant number, since it is smaller than the sum of its proper divisors (8695152366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7657607442 is a wasteful number, since it uses less digits than its factorization.

7657607442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290534.

The product of its (nonzero) digits is 1975680, while the sum is 48.

The square root of 7657607442 is about 87507.7564676412. The cubic root of 7657607442 is about 1971.0502651254.

The spelling of 7657607442 in words is "seven billion, six hundred fifty-seven million, six hundred seven thousand, four hundred forty-two".